Geranium grandiflorum double form
Himalayan cranesbill 'Plenum'
'Plenum' is smaller in stature than the species itself and bears double blue-purple flowers in summer, set against rounded leaves
Synonyms
Geranium 'Birch Lilac'Geranium himalayense 'Birch Double'
see moreGeranium himalayense double form
Geranium grandiflorum double form
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Purple | Green | ||
Autumn | Red Green | |||
Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Geraniaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Geranium can be annuals, biennials and perennials, herbaceous or evergreen, with rounded, usually palmately lobed or divided leaves, and lax inflorescences of rounded, 5-petalled flowers
- Name status
Accepted
How to grow
Cultivation
Grow in any, moderately fertile soil apart from waterlogged soils in full sun or partial shade
Propagation
Propagate by division in spring or propagate by softwood basal cuttings in early to mid spring and root with bottom heat
Suggested planting locations and garden types
- Gravel garden
- Cottage and informal garden
- Ground cover
- Underplanting of roses and shrubs
- Flower borders and beds
Pruning
Remove flowered stems and old leaves to encourage the production of fresh leaves and flowers
Pests
May be susceptible to vine weevil, capsid bug and sawflies
Diseases
May be affected by downy mildews and powdery mildews
Get involved
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